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Context
Details
Details of the New Variants
Impact of the New Variants
Summary of COVID Strains identified till date
Variant Name |
Lineage |
Country First Detected |
Detection Date |
Key Spike Mutations |
Transmissibility |
Immune Evasion |
Severity |
Alpha |
B.1.1.7 |
United Kingdom |
Sep 2020 |
N501Y, 69-70del, P681H |
Increased |
Moderate |
Increased |
Beta |
B.1.351 |
South Africa |
May 2020 |
K417N, E484K, N501Y |
Increased |
High |
Increased |
Gamma |
P.1 |
Brazil |
Nov 2020 |
K417T, E484K, N501Y |
Increased |
High |
Increased |
Delta |
B.1.617.2 |
India |
Oct 2020 |
L452R, T478K, P681R |
Highly Increased |
Moderate |
Increased |
Omicron |
B.1.1.529 |
Multiple countries |
Nov 2021 |
S371L, G446S, Q493R |
Highly Increased |
High |
Variable |
Mu |
B.1.621 |
Colombia |
Jan 2021 |
R346K, E484K, N501Y |
Moderate |
High |
Moderate |
Lambda |
C.37 |
Peru |
Aug 2020 |
G75V, T76I, L452Q |
Moderate |
Moderate |
Moderate |
Epsilon |
B.1.427/B.1.429 |
USA |
May 2020 |
L452R, W152C |
Moderate |
Low |
Low |
Zeta |
P.2 |
Brazil |
Apr 2020 |
E484K |
Moderate |
Moderate |
Moderate |
Eta |
B.1.525 |
Multiple countries |
Dec 2020 |
E484K, 69-70del |
Moderate |
Moderate |
Moderate |
Theta |
P.3 |
Philippines |
Jan 2021 |
E484K, N501Y |
Moderate |
Moderate |
Moderate |
Iota |
B.1.526 |
USA |
Nov 2020 |
E484K, D253G |
Moderate |
Moderate |
Moderate |
Kappa |
B.1.617.1 |
India |
Oct 2020 |
L452R, E484Q |
Increased |
Moderate |
Moderate |
KEY POINTS
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Sources:
PRACTICE QUESTION Q: The emergence of the FLiRT and LB.1 variants highlights the evolving nature of the SARS-CoV-2 virus and the continuous need for adaptive public health strategies. Discuss. (250 Words) |
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